package struct
{
	public class Node
	{
		public var next:Node;
		
		public var pre:Node;
		
		public var content:Object;
		
		public function Node(content:Object, pre:Node=null, next:Node=null)
		{
			this.content = content;
			this.pre = pre;
			this.next = next;
		}
	}
}